document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=823370>Question 823370</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation:\r<BR>\n" );
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document.write( "What is the inverse of the matrix?\r<BR>\n" );
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document.write( " [ 10 -3 ]<BR>\n" );
document.write( " [ 3  -1 ] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #495467 by </B><A HREF=/tutors/aboutme.mpl?userid=erica65404><B>erica65404(394)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=erica65404><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=erica65404><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=495467\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you want more help from me, visit MathHelp.createaforum.com for free unlimited help and step by step solutions<BR>\n" );
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document.write( "If we look at the following matrix<BR>\n" );
document.write( "[a d]<BR>\n" );
document.write( "[c b]<BR>\n" );
document.write( "To find the inverse, you would first multiply c and d by a -1.<BR>\n" );
document.write( "[a -d]<BR>\n" );
document.write( "[-c b]<BR>\n" );
document.write( "then you would switch a and b's positions<BR>\n" );
document.write( "[b -d]<BR>\n" );
document.write( "[-c a]<BR>\n" );
document.write( "then multiply all the numbers in the matrix by .1<BR>\n" );
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document.write( "[10 -3]<BR>\n" );
document.write( "[3 -1]<BR>\n" );
document.write( "multiply c and d by -1<BR>\n" );
document.write( "[10 3]<BR>\n" );
document.write( "[-3 -1]<BR>\n" );
document.write( "then switch a and b's position<BR>\n" );
document.write( "[-1 3]<BR>\n" );
document.write( "[-3 10]<BR>\n" );
document.write( "now multiply everything by .1<BR>\n" );
document.write( "[-.1 .3]<BR>\n" );
document.write( "[-.3 1]<BR>\n" );
document.write( "This is the inverse </SPAN>\n" );
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